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Publication numberUS3658395 A
Publication typeGrant
Publication dateApr 25, 1972
Filing dateJun 29, 1970
Priority dateJun 30, 1969
Publication numberUS 3658395 A, US 3658395A, US-A-3658395, US3658395 A, US3658395A
InventorsStig Lennart Hallerback
Original AssigneeSkf Ind Trading & Dev
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Supporting and sealing member for rolling bearings
US 3658395 A
Abstract
A member for supporting and sealing of rolling bearings of any type, which mainly comprises a reinforcing portion and a sealing portion, the sealing portion being of an elastic material which, by way of a suitable joining method, e.g. vulcanization, is rigidly attached to the reinforcing portion.
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Description  (OCR text may contain errors)

United States Patent Hallerback 51 3,658,395 [4 1 Apr. 25, 1972 [72] Inventor: Stig Lennart Hallerback, Vastra Frolunda,

Sweden [73] Assignee: SKF Industrial Trading and Development Company N.V., Amsterdam, Netherlands [22] Filed: June29, 1970 [ll] Appl.No.: 50,821

Primary Examiner-Martin P. Sehwadron Assistant 'x aminer Barry Grossman Attorney Howson and Howson ABSTRACT A member for supporting and sealing ofrolling bearings of any 'type, which mainly comprises a reinforcing portion and a seal- .ing portion, the sealing portion being of an elastic mate rial which, byway of a suitable joining method, e.g. vulcanization, is rigidly attached to the reinforcing portion.

[30] Forelgn Apphcanon Data I Said reinforcing portion being formed to provide a supporting June 30, 1969 Sweden...; ..9407/69 surface for the outer race ring of the rolling bearing and/or for the end surfaces of the rolling bodies. I U. .Cl .308 187.2, 277 183,277 I86 [58] Field ofSeareh ..308/1 87. l, 187.2; 277/1 83, unit which p t and Seals the bearing in a P p manner, 1 277/186 and at the same time secures the outer race ring from rotating 7 in its bearing seat. [56] References Cited Furthermore, the member is thus formed that it also serves as UNITED STATES PATENTS a connecting member, which keeps the bearing parts'and the member itself together when unassembled. The dismounting 3.519316 7/l970 Gothberg ..308/l87.l f such a bearing unit also wil] be f ili d as the bearing 4 4 l 6 5/1958 Gebe" keeps to the member during dismounting. 3,376,084 4/l968 McKee 3,306,683 2/1967 Deuring ..308/l 87.2 3 Claims, 6 Drawing Figures v e v s 70 10a 4 I PATENTEUAPMS I972 3, 658,385

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INVENTOR: STIG LENNART HALLERBACK TTTT S,

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sum 30F a FIG. 6

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BACKGROUND OF THE INVENTION porting member has been separate parts which in the handling of the bearings before assembly has involved an increase in time and need for storing space.

SUMMARY OF THE INVENTION The present invention refers to a supporting and a sealing member which is intended to be used in rolling bearings, and which comprises in combination a reinforcing metal ring and an elastic sealing body. The characterizing features of the invention will be apparent from the accompanying claims.

BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1, 3 and show different embodiments of the supporting and sealing member;

FIGS. 2, 4 and 6 show the manner of FIGS. 1, 3 and 5 applied to different types of rolling bearings.

DESCRIPTION OF THE PREFERRED EMBODIMENT The supporting and sealing member according to FIGS. 1 and 2 is shown at the application to a single-row deep-groove ball hearing as an example.

The member comprises a metal ring 1, one end of which has been bent at right angles to provide a supporting edge 2, which is intended to contact the outer racering 4 of a ball bearing 3. A sealing body 5 being of elastic material, preferably rubber, has been vulcanized to the inner part of the metal ring, said sealing body having a profile of common shape i.e. it is provided with sealing lips 6 and 7, the latter of which preferably is provided with an internal resilient ring 8 which will urge said ing. Thus, it is possible to use an easier fit between bearing 7 seat and outer race ring, which also will contribute to a simlip against the shaft on which the bearing is mounted. The 7 metal ring 1 is peripherally provided with a number of openings 9 in connection to its bent supporting edge 2.

At the vulcanization of the sealing body to the metal ring the elastic material of the sealing body is pressed out through said openings so much that an annular rubber formation 10 having hook-formed profile is obtained.

FIG. 2 shows the supporting and sealing member in mounted state. As can be seen from this figure the metal ring 1 will serve as a supporting or spacing member between a bearing housing cover 11 and the outer race ring 4 of the bearing. The supporting edge 2 contacts the side surface of the outer race ring and the hook-formed portion 10 engages in a groove 10a which is formed in the periphery of the outer race ring. The groove 10a thereby is formed so that it can retain the hook-formed rubber portion. which at assembly will become somewhat expanded and assume a mainly annular outer surface. Before assembly the hook-formed rubber portion will partake a diameter whichis somewhat larger than the diameter of the race ring which implies that the rubber portion when assembled will be compressed in the bearing seat. This entails that the bearing outer race ring will be secured against creepplified assembly. When assembled the hook-formed portion thus will have a sealing function between the outer race ring and the bearing housing. It will when assembled also serve as a connecting member between the supporting and sealing member and the bearing. The other portion of the elastic sealing body will through its lips 6 and 7 in a conventional manner sealingly engage a shaft 12, which forms part of the bearing assembl FIdS. 3 and 4 show a somewhat modified embodiment of the member according to the invention. The member is constructed principally as the embodiment shown in FIGS. 1 and 2. The metal ring 13, however, has been given a different shape. The bent supporting edge 14 of this ring 13 has been given an extended length for the purpose that it shall support rollers 16 of the cylindrical roller bearing 15. The example illustrated further includes a supporting ring 17 disposed between the housing and the axial end of the outer ring opposite the axial end from the supporting and sealing member. In conventional assemblies it is necessary to use two supporting rings. Otherwise, the supporting and sealing member acts as in the preceeding example, thereby keeping the bearingand member together to a unit in unassembled state.

FIGS. 5 and 6 show a supporting and sealing member applied to a taper roller bearing. The supporting edge 19 of the metal ring 18 in this case has been bent so much that when the member is mounted to the taper roller bearing 20 said supporting edge will contact so close to the large end of the tepered rollers '21 that axial loads will'be absorbed by the metal ring 18 of the supporting and sealing member. The arrangements shown in FIGS. 4 and 6 in other respects have the same characteristics as have been mentioned in connection to the bearing according to FIG. 2.

The invention is in no respect limited to be used in rolling bearings of the above-mentioned types, but may be applied in any bearing having a need for such rings for sealing and loadcarrying purposes.

I claim:

1. A combination bearing and seal assembly adapted to be mounted in a housing or the like, the bearing including an outer ring having a circumferential groove in its outer periphery adjacent one axial end face and a plurality of rolling elements, said seal assembly comprising a metal reinforcing ring having a generally cylindrical body portion and a radially inwardly directed flange at one end adapted to confront at least said one axial end face of the outer ring, a plurality of circumferentially spaced openings at the juncture of the body portion and flange, a resilient sealing element having a portion engaging through said openings to form a hook-formed profile which in the relaxed state projects radially inwardly at an angle and which in the assembled relation engages in said groove in the outer ring adjacent said one axial end. said hookformed profile being in the assembled relation of a greater diameter than the opening in the housing to secure the outer ring against creeping therein.

2. The combination as claimed in claim 1 including a shaft member on which the bearing and seal assembly are mounted and wherein said sealing element includes at least one sealing

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2834616 *Mar 29, 1955May 13, 1958Federal Mogul Bower BearingsShaft seals
US3306683 *Apr 3, 1964Feb 28, 1967GoetzewerkeSeal for roller bearings in motor vehicles
US3376084 *Jan 7, 1965Apr 2, 1968Barden CorpDental handpiece
US3519316 *Jun 14, 1968Jul 7, 1970Skf Svenska Kullagerfab AbRolling bearing unit
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3767279 *Dec 9, 1971Oct 23, 1973Skf Ind CoFlexible flange for bearings, preferably rolling bearings
US4038359 *Jan 27, 1975Jul 26, 1977Garlock Inc.Method of making a shaft seal with dual lip
US4147367 *May 30, 1978Apr 3, 1979Rexnord Inc.Shaft seal for bearing housing
US4210339 *Dec 26, 1978Jul 1, 1980Towmotor CorporationSeal and seal assembly
US4357056 *Dec 5, 1980Nov 2, 1982Skf Kugellagerfabriken GmbhAntifriction bearing for longitudinal movements of a shaft
US4440401 *May 13, 1983Apr 3, 1984Skf Kugellagerfabriken GmbhSeal assembly for bearing cups slidable in axial direction in bore
US4466623 *Jun 1, 1983Aug 21, 1984Dana CorporationSteering ball seal
US4655618 *Jul 26, 1985Apr 7, 1987NadellaNeedle bearing and in particular a needle sleeve having a reinforced seal
US4907669 *Nov 2, 1988Mar 13, 1990Chrysler Motors CorporationFront axle for an all-wheel drive vehicle
US5538259 *Mar 17, 1995Jul 23, 1996Kaco Gmbh & Co.Sealing device with centering ring for a water pump
US5711616 *Apr 9, 1996Jan 27, 1998The Timken CompanyBearing seal for providing static and dynamic barriers
US6050572 *Mar 9, 1998Apr 18, 2000Bal Seal Engineering Company, Inc.Rotary cartridge seals with retainer
US6177744 *Mar 17, 1998Jan 23, 2001Reliance Electric Technologies, LlcSeal arrangement for an electric motor
US6264205 *Feb 11, 2000Jul 24, 2001Bal Seal Engineering Co., IncRotary cartridge seals with retainer
US6827649Mar 12, 2003Dec 7, 2004American Axle & Manufacturing, Inc.Universal joint with friction fit and bearing cup retainer
US6855059Apr 14, 2003Feb 15, 2005American Axle & Manufacturing, Inc.Universal joint with bearing cup retention thrust washer
US6893350May 8, 2003May 17, 2005American Axle & Manufacturing, Inc.Universal joint with torsionally-compliant spider assembly
US6951337Mar 4, 2002Oct 4, 2005Metso Paper, Inc.Shaft seal with elastic sealing lip
US7025679Feb 4, 2005Apr 11, 2006American Axle & Manufacturing, Inc.Universal joint with bearing cup retention thrust washer
US7044859Dec 1, 2004May 16, 2006American Axle & Manufacturing, Inc.Universal joint with friction fit and bearing cup retainer
US7055826 *Aug 2, 2001Jun 6, 2006Dunrite Manufacturing Co., Inc.Seal and bearing assembly
US7189162May 11, 2006Mar 13, 2007American Axle & Manufacturing, Inc.Universal joint with thrust washer
US7374345 *Oct 27, 2004May 20, 2008Fag Kugelfischer AgSystem for securing a roller bearing in axial directions
US7887422Aug 2, 2007Feb 15, 2011American Axle & Manufacturing, Inc.Universal joint with bearing cup retention mechanism
US8628250 *May 23, 2008Jan 14, 2014Hitchi, Ltd.Support device for supporting propeller shaft and propeller shaft itself
US8807841 *Dec 23, 2008Aug 19, 2014Aktiebolaget SkfBearing assembly
US20110255814 *Dec 23, 2008Oct 20, 2011Francesco GallucciBearing Assembly
USRE31058 *Aug 18, 1980Oct 19, 1982Towmotor CorporationSeal and seal assembly
EP2369206A1 *Mar 10, 2011Sep 28, 2011Dorma GmbH + Co. KGDevice for opening and/or closing a door
WO1980001405A1 *Dec 26, 1978Jul 10, 1980Povejsil JSeal and seal assembly
Classifications
U.S. Classification384/484, 277/573, 384/482, 277/565, 277/575, 384/486
International ClassificationF16C35/077, F16C33/76, F16J15/32, F16C33/78
Cooperative ClassificationF16J15/3268, F16C33/7886
European ClassificationF16C33/78M, F16J15/32E3